A Quote by Martin Rees
The first voyagers to the stars will be creatures whose life cycle is matched to the voyage: the aeons involved in traversing the galaxy are not daunting to immortal beings. By the end of the third millennium, travel to other stars could be technically feasible. But would there be sufficient motive?
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A broad and ample road, whose dust is gold, And pavement stars,--as stars to thee appear Seen in the galaxy, that milky way Which nightly as a circling zone thou seest Powder'd with stars.
I feel that I'm in on the ground floor of something that human beings will be concentrating on for the next 1,000 years-if we don't destroy ourselves in the meantime. It's possible that 50 years from now we're going to end up out of this solar system, batting around the universe, at least within our galaxy, investigating other stars and other systems.
Recent results from astronomers who study the occasional gravitational lensing of unknown worlds by intervening stars suggest that orphan planets could be at least as numerous as the stars. In other words, there could be hundreds of billions of orphan worlds shuffling through our galaxy.
People have stars, but they aren't the same. For travelers, the stars are guides. For other people, they're nothing but tiny lights. And for still others, for scholars, they're problems... But all those stars are silent stars. You, though, you'll have stars like nobody else... since I'll be laughing on one of them, for you it'll be as if all the stars are laughing. You'll have stars that can laugh!... and it'll be as if I had given you, instead of stars, a lot of tiny bells that know how to laugh.
Wish on everything. Pink cars are good, especially old ones. And stars of course, first stars and shooting stars. Planes will do if they are the first light in the sky and look like stars. Wish in tunnels, holding your breath and lifting your feet off the ground. Birthday candles. Baby teeth.
While human space travel is daunting, machines - with their indefinitely long lifetimes - could travel the galaxy. It might make little difference to them that bridging the distance from one star to the next could take hundreds of thousands of years or more.
The reality is that we know that this universe, that our galaxy, has billions of stars. We know that stars have planets. So the likelihood that there is life somewhere else to me is just absolutely there.
Stars, of course, are too hot to support life, so wherever life might exist in the universe, it has to be on planets or moons that are warmed, but not incinerated, by the stars they travel around.
We can trace the elements. They were forged in the centers of high-mass stars that went unstable at the ends of their lives, they exploded, scattered their enriched contents across the galaxy, sprinkled into gas clouds that then collapsed and formed stars and planets and life.
The time will come when a spacecraft carrying human beings will leave the earth and set out on a voyage to distant planets - to remote worlds. Today this may seem only an enticing fantasy, but such in fact is not the case. The launching of the first two Soviet Sputniks has already thrown a sturdy bridge from the earth into space, and the way to the stars is open
Authors may be divided into falling stars, planets, and fixed stars: the first have a momentary effect; the second have a much longer duration; but the third are unchangeable, possess their own light, and work for all time.
There's a large cluster of stars that are orbiting the center of our galaxy. And by measuring the motion of stars, and in particular, their orbits, we can figure out whether or not there's a central black hole.
The central region of the Milky Way, known as the bulge, is stuffed with literally tens of billions of stars. And most of these are old - considerably older than our Sun or its neighbors - because this part of the galaxy formed first. Consequently, bulge stars are generally deficient in heavy elements.
Stars have a life cycle much like animals. They get born, they grow, they go through a definite internal development, and finally they die, to give back the material of which they are made so that new stars may live
You couldn't be here if stars hadn't exploded, because the elements - the carbon, nitrogen, oxygen, iron, all the things that matter for evolution - weren't created at the beginning of time. They were created in the nuclear furnaces of stars, and the only way they could get into your body is if the stars were kind enough to explode. So, forget Jesus. The stars died so that you could be here today.
Once a star dies, it's gone forever. There are no new stars to take its place. Eventually, there will be no stars, and the universe will turn black. That really will be the end.
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